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发表于 2007-9-11 00:46:31
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来自： 中国河南郑州
有画渐开线的lisp啊
( ?4 ]5 T& A! P: `8 h只是本人不懂怎么上传，( {8 N7 R, n3 k! g$ x4 `0 l
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1.进入菜单:工具>宏>visual Basic编辑器;
1 H$ ^2 |6 A% o t5 r/ P- u2.在编辑器中选菜单:插入>模块;
2 g8 i2 k( c# Y7 W' `( }3.把这部分程序拷贝到（代码）窗口中;
1 K- e1 J# U; `- h4.选择菜单：运行>运行子过程用户窗体; L" q# a* S h
5.在AutoAcad绘图界面中可以看到结果.
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% t3 c6 x# ^" O4 x' Z6 x一个小程序搞定.$ Z Y- @. h9 m+ ^" k
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Sub jkx()% ]3 l' j& ^) q1 N
Rem 绘制渐开线,By Sdh,2006-6-8
; _% f# {! J' i- r @% x0 M% j/ c N2 m Dim d As Double '节圆直径$ k B1 E# Z$ H" d
Dim r As Double '节圆半径
# {* n& A; g" A# V" K7 g Dim A As Double '总展开角度
- s$ P+ U9 W. n }% l: Y) m" g Dim Ai As Double '展开角度/ c- t3 s* L, i
Dim Li As Double '展开弧长/ v! F8 x6 f! K$ M7 Z3 K, M( N7 U, ]
d = 100
& i2 `1 v! G( g: Q6 ]' m- p A = 360
( I3 v2 q( A) @0 F, e0 b4 i r = d / 2
/ I# b7 m, d. g" }9 `. q Dim Pnt1(2) As Double {9 h! J. F0 |7 Y& Q3 H
Dim Pnt2(2) As Double, h( v, K2 b: Q4 E. X1 f
Dim PntLst() As Double, N As Integer
- Y( X( E; ]& ]7 t' Z+ X0 J ThisDrawing.ModelSpace.AddCircle Pnt1, r
2 P8 c; | x# j0 ?; d$ s: Z4 e' T- K For Ai = 0 To A * Atn(1) / 45# Step Atn(1) / 45#
8 D; o, J6 g* w5 O' r Li = r * Ai
5 g4 }. L9 V+ [: ]7 P Pnt1(0) = r * Sin(Ai)$ q8 s7 |* T) i) |
Pnt1(1) = r * Cos(Ai)
& i- x+ N# f8 t+ j Pnt2(0) = Pnt1(0) - Li * Cos(-Ai)6 P- H' j% Y6 E8 R" o P( {
Pnt2(1) = Pnt1(1) - Li * Sin(-Ai)
% n- r/ X0 R: J) ^0 V ThisDrawing.ModelSpace.AddLine Pnt1, Pnt2 w D H8 b2 _% X4 q
N = N + 1
3 O& z- A: j- _' @. f ReDim Preserve PntLst(N * 2 - 1)
4 f; U9 {0 l* k" }; x, t4 \$ U PntLst(N * 2 - 2) = Pnt2(0)
: k* M& }; g Q) | PntLst(N * 2 - 1) = Pnt2(1)8 @ ?8 o" a9 ~
Next
3 t. n. k. @* c5 h7 O If N > 1 Then
V% u* n7 i; R ThisDrawing.ModelSpace.AddLightWeightPolyline PntLst8 {) u6 y. p# G3 i8 S
End If
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